Home / 6,687.31-9,228.50-3,703.38

Finding the Fourth Proportional to 6,687.31, 9,228.50 and 3,703.38

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Solution

The fourth proportional to 6,687.31, 9,228.50 and 3,703.38 is: 5,110.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,687.31 : 9,228.50 = 3,703.38 : x
  2. Step 2: Convert to fraction form
    6,687.31/9,228.50 = 3,703.38/x
  3. Step 3: Cross multiply
    6,687.31x = 9,228.50 × 3,703.38
  4. Step 4: Simplify right side
    6,687.31x = 34,176,642.33
  5. Step 5: Solve for x
    x = 34,176,642.33/6,687.31
  6. Step 6: Final answer
    x = 5,110.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.